Home / 185,510.32-255,720.18-113,757.28

Finding the Fourth Proportional to 185,510.32, 255,720.18 and 113,757.28

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Solution

The fourth proportional to 185,510.32, 255,720.18 and 113,757.28 is: 156,810.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,510.32 : 255,720.18 = 113,757.28 : x
  2. Step 2: Convert to fraction form
    185,510.32/255,720.18 = 113,757.28/x
  3. Step 3: Cross multiply
    185,510.32x = 255,720.18 × 113,757.28
  4. Step 4: Simplify right side
    185,510.32x = 29,090,032,117.91
  5. Step 5: Solve for x
    x = 29,090,032,117.91/185,510.32
  6. Step 6: Final answer
    x = 156,810.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.